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Finding the Fourth Proportional to 655,950.42, 904,902.30 and 383,851.44

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Solution

The fourth proportional to 655,950.42, 904,902.30 and 383,851.44 is: 529,534.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,950.42 : 904,902.30 = 383,851.44 : x
  2. Step 2: Convert to fraction form
    655,950.42/904,902.30 = 383,851.44/x
  3. Step 3: Cross multiply
    655,950.42x = 904,902.30 × 383,851.44
  4. Step 4: Simplify right side
    655,950.42x = 347,348,050,914.31
  5. Step 5: Solve for x
    x = 347,348,050,914.31/655,950.42
  6. Step 6: Final answer
    x = 529,534.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.